Digital camera system having plural camera bodies including...

Details Digital camera system having plural camera bodies including... Digital camera system having plural camera bodies including...

Filed on

2005-02-28

Date issued

2009-12-15

Examiner

Ho, Tuan (Department: 2622)

Patent Class

Television

SubClass

Camera, system and detail

SubSubClass

Optics

Type

Reexamination Certificate

Status

active

Patent number

07633542

Description

ABSTRACT:
A digital camera system including a plurality of digital cameras, each including a plurality of interchangeable-lens barrels having the same specification, a first camera body allowing the interchangeable-lens barrel to be attached thereto, or a second camera body. The first camera body includes an image pickup element having a first pixel pitch and a first optical unit including an optical low-pass filter with a thickness based on the pixel pitch. The second camera body includes an image pickup element having a second pixel pitch smaller than the first pixel pitch, and a second optical unit including a second optical low-pass filter. The second optical low-pass filter includes a crystal plate as a depolarization plate of a thickness so that the optical path length of the second camera body is substantially equal to the optical path of the first optical low-pass filter.

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Office Action, a Notice of Denial, for Japanese Patent Application No. 2004-312846, dated Jun. 2, 2009.

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